Finding the Fourth Proportional to 131.63, 196.83 and 112.19

Step by Step Solution

1. Step 1: Write the proportion equation
   131.63 : 196.83 = 112.19 : x
2. Step 2: Convert to fraction form
   131.63/196.83 = 112.19/x
3. Step 3: Cross multiply
   131.63x = 196.83 × 112.19
4. Step 4: Simplify right side
   131.63x = 22,081.37
5. Step 5: Solve for x
   x = 22,081.37/131.63
6. Step 6: Final answer
   x = 167.76